Draw the molecule in the box below that has the IUPAC name, S-3-chloro-2-methylhexane (You have three chances until the answer will be given; you have already tried 0 times)
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- Shown below is Streptomycin, an antibiotic medication used to treat a number of bacterial infections, including tuberculosis, plague, and endocarditis. Neomycin B has broad-spectrum antibacterial activity. Circle and label as many functional groups in these molecules as you can. Label each chiral carbon in Streptomycin. How many total stereoisomers exist for Streptomycin? Label each chiral carbon in Neomycin B. How many total stereoisomers exist for Neomycin B?1a. How many stereogenic centers are present 1c. Draw a three-dimensional structure of a in the structure below? Indicate them with asterisk(s). How many stereoisomers stereoisomers are possible? chiral compound with the molecular formula of C4H4Cl₂ that does not have a stereogenic carbon. In addition, draw the enantiomer of this compound. Number of stereogenic centers: Number of stereoisomers possible: 1b. Draw one of the two most stable stereoisomers of the compound in 1a using a planar structure with wedges and dashes. Now draw it in its preferred chair conformation. 1d. Draw two meso compounds with the molecular formula of C7H14.10) Which of the following compounds are not chiral? A) 2,3-dibromobutane B) 1,3-dibromobutane C) 1,2-dichlorobutane D) 1,4-dibromobutane E) 1-bromo-2-chlorobutane
- How many chiral center(s) are present in each molecule and how many stereoisomers are possible in each case? a) 2- Chloropentane b) 3- chloropentane c) 3- Chloro- 1- pentene draw the structures of each of the molecules on paper with showing chiral centers with a star/asterisk and mention the number of the stereoisomers for each molecule.Shown are two stereo representations of lactic acid. Compare the two structures shown. Determine whether they represent identical molecules or mirror images. identical COOH COOH H" OH CH3 H3C HO Determine the absolute configuration of the two structures. Left: S✔ Right: S An error has been detected in your answer. Check for typos, miscalculations etc. before submitting your answer. H2) In the space below, draw all of the stereoisomers of molecule a. a) CH 3 H-C-F H-C-F F-C-H CH3
- 1. As we discussed in class, identify all chiral centers (stereocenters) in the molecules below, and assign their absolute configuration (R or S). Also, provide the complete IUPAC names for the two indicated stereoisomers. OH G.H™ CI H name this one IUPAC name: OH CI" name this one IUPAC name: H' CI MY OH H H OHСООН H-C-OH H-C-OH CH3 93. Copy the structure given in the previous page (the one with wedges). Label this as I. Draw its mirror image. Label this as II. 94. Are I and II chiral? 95. What kind of stereocenters do they represent?Using only C, H, and O, write structural formulas for the lowest-molecular-weight chiral. Q) Alkane
- Draw a structural formula of the SS configuration of the compound shown below. S OH S CH3 CH₂CH3 • Use the wedge/hash bond tools to indicate stereochemistry where it exists. • Include H atoms at chiral centers only. • If a group is achiral, do not use wedged or hashed bonds on it.Use the figure below to answer the following questions. XXXXX Molecule 1 Molecule 2 Molecule 3 Molecule 4 a. Which molecule is identical to Molecule 1? [Select] b. Which molecules(s) is/are diastereomers of Molecule 1? [Select] c. Which molecule is an enantiomer of Molecule 1? [Select] Molecule 5 d. How many different stereoisomers are there for 1,2-dimethylcyclohexane? [Select] e. Which of the following molecules DO NOT rotate light? [Select]Draw a structural formula of the S configuration of the compound shown below. • Use the wedge /hash bond tools to indicate stereochemistry where it exists. Include H atoms at chiral centers only. • Ifa group is achiral, do not use wedged or hashed bonds on it. CH3 CH3 CH;CHCHCN CH,CH,CH,CHCH,CH, CH2NH2 Draw a structural formula of the RS configuration of the compound shown below. Use the wedge /hash bond tools to indicate stereochemistry where it exists. • Include H atoms at chiral centers only. If a group is achiral, do not use wedged or hashed bonds on it. ÇI